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  2. All India Senior School Certificate Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Senior_School...

    The results of the examinations are usually declared in the first week of May to mid-June. In general, about 80% of candidates receive a passing score. [8] The Delhi High Court has directed the Central Board of Secondary Education and Delhi University to discuss the ways by which the results of the main exam, revaluation, and compartment exam can be declared earlier than usual so that ...

  3. Portal:Current events/2024 September 9 - Wikipedia

    en.wikipedia.org/.../2024_September_9

    2024 Brazil wildfires, 2023–2024 South American drought. Fifty-nine percent of Brazil's area suffers from significant drought conditions, the worst national drought recorded. These conditions cause historically low Amazon basin levels and are contributing to at least 160,000 wildfires in 2024 that are causing widespread air pollution.

  4. English modal auxiliary verbs - Wikipedia

    en.wikipedia.org/wiki/English_modal_auxiliary_verbs

    The English modal auxiliary verbs are a subset of the English auxiliary verbs used mostly to express modality, properties such as possibility and obligation. [a] They can most easily be distinguished from other verbs by their defectiveness (they do not have participles or plain forms [b]) and by their lack of the ending ‑(e)s for the third-person singular.

  5. Government of India - Wikipedia

    en.wikipedia.org/wiki/Government_of_India

    The legal system as applicable to the Union and individual state governments is based on the English common and Statutory Law. [20] The full name of the country is the Republic of India . India and Bharat are equally official short names for the Republic of India in the Constitution, [ 21 ] and both names appears on legal banknotes, in treaties ...

  6. Helmholtz coil - Wikipedia

    en.wikipedia.org/wiki/Helmholtz_coil

    The eight contours are for field magnitudes of 0.5 B 0, 0.8 B 0, 0.9 B 0, 0.95 B 0, 0.99 B 0, 1.01 B 0, 1.05 B 0, and 1.1 B 0. The calculation of the exact magnetic field at any point in space is mathematically complex and involves the study of Bessel functions.

  7. Heat engine - Wikipedia

    en.wikipedia.org/wiki/Heat_engine

    A heat engine is a system that converts heat to usable energy, particularly mechanical energy, which can then be used to do mechanical work. [1] [2] While originally conceived in the context of mechanical energy, the concept of the heat engine has been applied to various other kinds of energy, particularly electrical, since at least the late 19th century.

  8. Bioluminescence - Wikipedia

    en.wikipedia.org/wiki/Bioluminescence

    He used the sea firefly Vargula hilgendorfii, but it was another ten years before he discovered the chemical's structure and published his 1957 paper Crystalline Cypridina Luciferin. [17] Shimomura, Martin Chalfie , and Roger Y. Tsien won the 2008 Nobel Prize in Chemistry for their 1961 discovery and development of green fluorescent protein as ...

  9. Rosalind Franklin - Wikipedia

    en.wikipedia.org/wiki/Rosalind_Franklin

    This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. British X-ray crystallographer (1920–1958) This article is about the chemist. For the Mars rover named after her, see Rosalind Franklin (rover). Rosalind Franklin Franklin with a microscope in 1955 Born Rosalind Elsie Franklin (1920-07-25) 25 July 1920 Notting Hill, London, England ...